MidNite Solar Classic 250-SL Charge Controller - The Classic 250-SL MPPT Charge Controller is a simplified SOLAR ONLY version of the Classic 250 with streamlined menus. The Classic 250-SL has a graphics panel and ground fault but no arc fault or Ethernet capabilities. The Classic 250-SL has a maximum output current of 96 amps, an operating voltage of 250 volts and works